No. Jiuyang Flat-plate solar Collector
Type Magnetron sputtering coating Black chrome coating Anodized coating
1 Mother-pipe Copper,φ25×0.6 mm
2 Sub-pipe Copper,φ12×0.45 mm
3 Wings Aluminum,φ0.25×140mm Copper,φ0.15×140 mm Aluminum,φ0.25×140 mm
4 Absorbed coating Magnetron sputtering coating Black chrome coating Absorption 93%-95% Anodized coating
Absorption 95% Emissivity 8-10% Absorption 92%-94%
Emissivity 5% Emissivity 20%
5 Daily water production(in fine weather in the Spring and Summer) 90-100L 90-100L 85-95L
6 Cover material 4mm tempered glass
7 Frame Colored Aluminum alloy
8 Back plate galvanized sheet,δ0.3
9 Insulation Rock Wool
10 Test pressure 0.9MPa
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